Case Study 5: Project Management – Facility Layouts
Samantha’s Appliances has developed a new European-style convection oven that will be made on an assembly line. The schedule requires 80 ovens in an 8-hour day. The assembly includes seven tasks. The table below indicates the performance time and the sequence requirements for each task.
| Task | Performance Time (minutes) | Task must follow Task listed below |
| A | 1 | |
| B | 2 | A |
| C | 3 | B |
| D | 2 | B |
| E | 4 | C, D |
| F | 1 | E |
| G | 2 | F |
- State the purpose of line balancing in an assembly line operation. (5 marks)
- State the definition of Cycle Time.(5 marks)
- What is the cycle time for this assembly operation?(3 marks)
- What is the theoretical minimum number of workstations?(5 marks)
- Draw the precedence diagram.(7 marks)
